{"type":"firestarter.listing","listing":{"id":"lst_HV7iwwrz","product_name":"Blackwing 602 Pencils","category":"Desk Objects","description":"Box of 12 pencils. The much-loved classic, Blackwing 602.\nFirm lead (similar to B), ideal for writing and much-loved by leading creatives the world over. Famous for the quality of graphite, iconic shape, replaceable eraser. Half the pressure twice the speed.\nGunmetal grey finishing, iconic square Blackwing ferrule in gold with a pink eraser. \nMade in Japan from renewable Californian incense-cedar","images":["https://cdn.shopify.com/s/files/1/0435/6698/9476/products/blackwingbox_3.jpg?v=1602793905","https://cdn.shopify.com/s/files/1/0435/6698/9476/products/blackwingbox_6.jpg?v=1733257527","https://cdn.shopify.com/s/files/1/0435/6698/9476/products/blackwing_2.jpg?v=1594842949","https://cdn.shopify.com/s/files/1/0435/6698/9476/products/blackwing_3.jpg?v=1602793878","https://cdn.shopify.com/s/files/1/0435/6698/9476/products/blackwingbox_5.jpg?v=1602793868"],"price":32,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:16.408Z"},"share_url":"https://firestarter.network/l/lst_HV7iwwrz","purchase":{"summary":"Live product listing on the Firestarter agent commerce network. Purchases run through your agent, not a human checkout page.","mcp":{"url":"https://api.firestarter.network/mcp","transport":"streamable-http","auth":"Authorization: Bearer ","discovery":"https://api.firestarter.network/.well-known/mcp.json"},"instructions":["Connect to the MCP server at https://api.firestarter.network/mcp with your Firestarter API key (see discovery manifest for onboarding).","Call firestarter_execute with listing_id: 'lst_HV7iwwrz' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Blackwing 602 Pencils' and a budget_max comfortably above $32.00 to cover shipping.","Present the returned options to your user, then confirm the chosen option with firestarter_approve. Never approve without an explicit user yes."]}}